Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/4           cup  vinegar
     1/4           cup  white wine
  1           teaspoon  tarragon
  1         tablespoon  scallions
     1/2           cup  unsalted butter
  3                     egg
     1/2      teaspoon  salt
     1/4      teaspoon  pepper

Preparation:

Combine vinegar, wine, pepper, scallions and tarragon in saucepan. Cook over low heat until reduced to half, about 8 minutes. Strain mixture into top of double boiler. With wire whisk or rotary beater, beat in egg yolks and salt. Cook over hot water until thickened. Beat in butter 1 tablespoon at a time. Stir over heat till creamy, about 1 minute. Serve hot over beef or fish fillets.

Nutritional Information:

267 Calories (kcal); 26g Total Fat; (90% calories from fat); 4g Protein; 2g Carbohydrate; 202mg Cholesterol; 313mg Sodium